Dempsey 7
Status not reported Oil well
| API number | 12-121-04160 |
|---|---|
| Operator | Lain Oil & Gas Co |
| County | Marion, Illinois |
| Completed | 1939-08-07 |
| Depth | 2,026 ft |
| Surface location | 38.566102, -89.026438 · wells within 1 mile |
| State record | Illinois State Geological Survey ↗ |
| Data as of | 2026-10-17 |
From Illinois State Geological Survey public records. Verify with the state before relying on this information.